<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>异步任务</title>
    <script src="Promise.js"></script>
</head>
<body>
    <script>
        let p = new Promise((resolve, reject) => {
            setTimeout(() => {
                resolve('Success');
                // reject('Error');
            }, 1000);
        });

        p.then(value => {
            console.log(value);
        }, reason => {
            console.error(reason);
        });

        p.then(value => {
            alert(value);
        }, reason => {
            alert(reason);
        });

        console.log(p);

    </script>
</body>
</html>